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1. (AU2013282897) Colorant compound derived from Genipa americana genipin and glycine
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CLAIMS
1.           An isolated colorant compound of the formula 3A:
Formula 3A
101
QC)OCH
12 3
2.            An isolated colorant compound of formula 3B:
Formula 3B
3. A method of isolatiLng the cornpouind of formula 3A: Formula 3A
the method comprising:
A. Isolating genipin from Genipa Americana juice;
B. Reacting glycine with said genipin to obtain a material soluble in methanol;
C. Separating by chromatography the material soluble in methanol into SI, S2, S3, and S4 fractions;
D. Separating again by chromatography the S3 fraction into S31, S32, S33 and S34 fractions; and
E. Isolating by reverse phase chromatography from the S33 fraction the compound of formula I.
4.           A method of isolating the compound of Formula 31:
Formula 3B
the method comprising:
A. Isolating genipin from Genipa Americana juice;
B. Reacting glycine with said genipin to obtain a material soluble in methanol;
C. Separating by chromatography the material soluble in methanol into S1, S2, S3, and S4 fractions;
D. Separating again by chromatography the S3 fraction into S31, S32, S33 and S34 fractions; and
E. Isolating by reverse phase chromatography from the S33 fraction the compound of formula I.
5. An isolated colorant compound of formula 3A or formula 3B:
Formula 3A
an isomer thereof, or a combination thereof.
6.           A colorant composition comprising the colorant compound of any of claims 1, 2 or 5. 7. The colorant composition of claim 6, further comprising a carrier, a filler, or enhancing agent.
8.           A method of imparting blue color to a substance comprising contacting the substance with an effective amount of the colorant composition of claim 6.
9.           The method of claim 8, wherein the substance is selected from the group consisting of a food item, a textile, and a cosmetic product.
10.         The method of claim 9, wherein the food item is a solid, a semisolid food item, or a liquid food item.
11.         A food product comprising a food item and the colorant composition of claim 6.
12.         The food product of claim 11, wherein the food item is a solid food item or a liquid food item.
13.         The food product of claim 12, wherein the liquid food item is a beverage.
14.         The food product of claim 13, wherein the liquid food item is a carbonated beverage. 15. A textile comprising a colorant composition of claim 6.
16.         A cosmetic comprising a colorant composition of claim 6.
17.         A method of preparing a compound of the formula 3A:
Formula     3A 
comprising:
a. reacting genipin with gycline for a time and temperature sufficient to produce a mixture comprising compound 3A; and
b. isolating the compound of the formula 3A from the mixture.
18.   The  method     of  claim    17,  wherein    the  genipin    is  from   Genipa    Americana.